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    • 5. 发明专利
    • Method of manufacturing semiconductor device and method of manufacturing mask
    • 制造半导体器件的方法和制造掩模的方法
    • JP2009130170A
    • 2009-06-11
    • JP2007304228
    • 2007-11-26
    • Fujitsu Ltd富士通株式会社
    • KON JUNICHI
    • H01L21/027G03F7/40H01L21/28
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor device that prevents a resist pattern shape from becoming an inverted tapered shape, while a resist sidewall is prevented from being rounded and a resist bottom opening is prevented from varying in opening length, and to provide a method of manufacturing a mask. SOLUTION: The method of manufacturing the semiconductor device includes a resist film forming step of forming a resist film on a substrate, an exposure light irradiating step of selectively irradiating the resist film formed on the substrate with exposure light, a developing step of developing the resist film irradiated with the exposure light to form an opening in the resist film, a shape control film forming step of forming a shape control film on the resist film and in the opening, and a baking step of heating the resist film and shape control film, the elastic modulus of the shape control film being higher than that of the resist film at heating temperature of the baking step. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种制造半导体器件的方法,该半导体器件防止抗蚀剂图案形状变成倒锥形,同时防止抗蚀剂侧壁变圆,并且防止抗蚀剂底部开口在开口中变化 长度,并提供制造掩模的方法。 解决方案:半导体器件的制造方法包括在基板上形成抗蚀剂膜的抗蚀剂膜形成步骤,曝光光选择性地照射形成在基板上的抗蚀剂膜的曝光光照射步骤,显影步骤 显影用曝光光照射的抗蚀剂膜,以在抗蚀剂膜中形成开口;形成控制膜形成步骤,在抗蚀剂膜和开口中形成形状控制膜;以及烘烤步骤,加热抗蚀剂膜和形状 控制膜,在烘烤步骤的加热温度下,形状控制膜的弹性模量高于抗蚀剂膜的弹性模量。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Resist composition, resist pattern forming method and method for manufacturing semiconductor device
    • 电阻组合物,电阻图案形成方法和制造半导体器件的方法
    • JP2008083196A
    • 2008-04-10
    • JP2006260836
    • 2006-09-26
    • Fujitsu Ltd富士通株式会社
    • KON JUNICHI
    • G03F7/004G03F7/039H01L21/027
    • G03F7/0382G03F7/0045G03F7/0392G03F7/2059H01L27/105H01L27/11526H01L27/11543
    • PROBLEM TO BE SOLVED: To provide a resist composition which suppresses occurrence of shape anomaly and can form a fine and high-definition resist pattern with good dimensional accuracy, and to provide a resist pattern forming method by which a fine and high-definition resist pattern can be efficiently formed with good dimensional accuracy, and a method for manufacturing a semiconductor device. SOLUTION: The resist composition comprises at least a base resin, a photoacid generator, a first additive and a second additive, wherein the pKa of the second additive is larger than that of the first additive, and at a resist film formation temperature, the vapor pressure of the second additive is lower than that of the first additive. The resist pattern forming method includes: at least a resist film forming step of forming a resist film by applying and heating the resist composition on a surface to be processed; an irradiation step of selectively irradiating the resist film with ionizing radiation; a heating step of hating the resist film irradiated with the ionizing radiation; and a development step of developing the resist film. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题:提供抑制形状异常发生的抗蚀剂组合物,能够形成尺寸精度良好的精细高分辨抗蚀剂图案,并提供抗蚀图案形成方法, 能够以良好的尺寸精度有效地形成定义抗蚀剂图案,以及半导体装置的制造方法。 抗蚀剂组合物至少包含基础树脂,光致酸产生剂,第一添加剂和第二添加剂,其中第二添加剂的pKa大于第一添加剂的pKa,并且在抗蚀剂膜形成温度 ,第二添加剂的蒸气压低于第一添加剂的蒸气压。 抗蚀剂图案形成方法包括:至少一个抗蚀剂膜形成步骤,通过在抗蚀剂组合物的表面上涂覆和加热来形成抗蚀剂膜; 照射步骤,用电离辐射选择性地照射抗蚀剂膜; 使用电离辐射照射的抗蚀剂膜的加热步骤; 以及显影抗蚀膜的显影步骤。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Resist cover film forming material, forming method for resist pattern, and semiconductor device and its manufacturing method
    • 电阻膜形成材料,电阻型图案的形成方法和半导体器件及其制造方法
    • JP2006276443A
    • 2006-10-12
    • JP2005095302
    • 2005-03-29
    • Fujitsu Ltd富士通株式会社
    • YANO EIKON JUNICHICHIBA HIROSHI
    • G03F7/11H01L21/027
    • PROBLEM TO BE SOLVED: To provide a resist cover film forming material which is suitably usable for a resist cover film for liquid immersion exposure and can make a surface be exposed hydrophobic, a forming method for a resist pattern in which a fine high-precision resist pattern effectively protecting the resist film from liquid for liquid immersion exposure and enabling high-precision exposure without spoiling the function of the resist film can efficiently be formed, etc. SOLUTION: In the forming method for the resist pattern, the resist cover film is formed on a film having at least the resist film after the film having the resist film is formed on a surface to be processed, the resist cover film is formed by using the resist film forming material decreasing the surface energy of the surface to be exposed by ≥20 mN/m before and after the resist cover film is formed, and the resist film is irradiated with exposure light by liquid immersion exposure through the resist cover film and developed. The An aspect is preferable where the resist cover film forming material contains an amphiphilic substance. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供适合用于浸渍曝光用抗蚀剂覆盖膜的抗蚀剂覆盖膜形成材料,并且可以使表面暴露于疏水性,抗蚀剂图案的形成方法为细高 可以有效地形成抗蚀剂图案,有效地保护抗蚀剂膜免受液体浸渍的影响,并且能够高效地形成抗蚀剂膜的功能,从而能够高精度地曝光抗蚀剂膜的功能。解决方案:在抗蚀图案的形成方法中, 在具有抗蚀剂膜的膜形成在被处理表面上之后,至少形成抗蚀剂膜的抗蚀剂覆盖膜形成在抗蚀剂覆盖膜上,通过使用抗蚀剂膜形成材料来形成抗蚀剂覆盖膜, 在形成抗蚀剂覆盖膜之前和之后,要暴露于≥20mN/ m的表面,并且通过浸渍曝光通过抗蚀剂覆盖物fi曝光抗蚀剂膜 并开发。 在抗蚀剂覆盖膜形成材料含有两亲物质的情况下,优选An方面。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Resist composition, method for manufacturing resist pattern and method for manufacturing semiconductor device
    • 耐蚀组合物,制造电阻图案的方法和制造半导体器件的方法
    • JP2003330168A
    • 2003-11-19
    • JP2002139312
    • 2002-05-14
    • Fujitsu Ltd富士通株式会社
    • NAMIKI TAKAHISANOZAKI KOJIOZAWA YOSHIKAZUKON JUNICHI
    • G03F7/004G03F7/38H01L21/027
    • B82Y30/00
    • PROBLEM TO BE SOLVED: To provide a resist composition capable of easily forming a resist pattern of high accuracy, to provide a method for manufacturing the resist pattern which is easy and has a small number of stages and excellent manufacturing efficiency and to provide a method for manufacturing a semiconductor device and the like. SOLUTION: The resist composition contains an additive having at least either of an aromatic hydrocarbon and an alicyclic hydrocarbon in the chemical structure thereof and sublimation properties and a resin having etching durability lower than that of the additive and capable of reacting with the additive. A form in which the additive and the resin can be bonded to each other by a hydrolysis reaction when exposed to light, a form in which the alicyclic hydrocarbon is either of adamantane and fullerene and the like are preferable. In the method for manufacturing the resist pattern, the resist composition is applied to form a coating film, the coating film is exposed to light in a pattern shape and then dry etching is performed. The method for manufacturing the semiconductor device at least comprises that the resist pattern is formed by the method for manufacturing the resist pattern. COPYRIGHT: (C)2004,JPO
    • 解决的问题:为了提供能够容易地形成高精度的抗蚀剂图案的抗蚀剂组合物,提供一种制造抗蚀剂图案的方法,该方法容易且具有少量的级数和优异的制造效率,并提供 半导体装置的制造方法等。 解决方案:抗蚀剂组合物含有在其化学结构中具有芳族烃和脂环烃中的至少一种和升华性质的添加剂和具有比添加剂低的蚀刻耐久性并能够与添加剂反应的树脂 。 优选其中添加剂和树脂在暴露于光时可以通过水解反应彼此结合的形式,其中脂环族烃是金刚烷和富勒烯等的形式是优选的。 在抗蚀剂图案的制造方法中,涂布抗蚀剂组合物以形成涂膜,将涂膜曝光成图案形状的光,然后进行干法蚀刻。 半导体器件的制造方法至少包括通过抗蚀剂图案的制造方法形成抗蚀剂图案。 版权所有(C)2004,JPO